Missing cfg(feature(coverage_attribute))

Author: simonask

codegen-check/lib.rs

@@ -10,6 +10,7 @@
 //! Note that the `#[inline(never)]` is required to force the compiler to
 //! generate the symbol.
 
+#![cfg_attr(coverage, feature(coverage_attribute))]
 #![cfg_attr(coverage, coverage(off))]
 
 use glamour::Vector4;